1 //===-- OptionGroupValueObjectDisplay.cpp -----------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Target/Target.h"
17 #include "lldb/Interpreter/CommandInterpreter.h"
18 #include "lldb/Utility/Utils.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 OptionGroupValueObjectDisplay::OptionGroupValueObjectDisplay()
24 {
25 }
26 
27 OptionGroupValueObjectDisplay::~OptionGroupValueObjectDisplay ()
28 {
29 }
30 
31 static OptionDefinition
32 g_option_table[] =
33 {
34     { LLDB_OPT_SET_1, false, "dynamic-type",     'd', required_argument, TargetInstanceSettings::g_dynamic_value_types,
35                                                                               0, eArgTypeNone,      "Show the object as its full dynamic type, not its static type, if available."},
36     { LLDB_OPT_SET_1, false, "synthetic-type",   'S', required_argument, NULL, 0, eArgTypeBoolean,   "Show the object obeying its synthetic provider, if available."},
37     { LLDB_OPT_SET_1, false, "depth",            'D', required_argument, NULL, 0, eArgTypeCount,     "Set the max recurse depth when dumping aggregate types (default is infinity)."},
38     { LLDB_OPT_SET_1, false, "flat",             'F', no_argument,       NULL, 0, eArgTypeNone,      "Display results in a flat format that uses expression paths for each variable or member."},
39     { LLDB_OPT_SET_1, false, "location",         'L', no_argument,       NULL, 0, eArgTypeNone,      "Show variable location information."},
40     { LLDB_OPT_SET_1, false, "objc",             'O', no_argument,       NULL, 0, eArgTypeNone,      "Print as an Objective-C object."},
41     { LLDB_OPT_SET_1, false, "ptr-depth",        'P', required_argument, NULL, 0, eArgTypeCount,     "The number of pointers to be traversed when dumping values (default is zero)."},
42     { LLDB_OPT_SET_1, false, "show-types",       'T', no_argument,       NULL, 0, eArgTypeNone,      "Show variable types when dumping values."},
43     { LLDB_OPT_SET_1, false, "no-summary-depth", 'Y', optional_argument, NULL, 0, eArgTypeCount,     "Set a depth for omitting summary information (default is 1)."},
44     { LLDB_OPT_SET_1, false, "raw-output",       'R', no_argument,       NULL, 0, eArgTypeNone,      "Don't use formatting options."},
45     { LLDB_OPT_SET_1, false, "show-all-children",'A', no_argument,       NULL, 0, eArgTypeNone,      "Ignore the upper bound on the number of children to show."},
46     { 0, false, NULL, 0, 0, NULL, NULL, eArgTypeNone, NULL }
47 };
48 
49 uint32_t
50 OptionGroupValueObjectDisplay::GetNumDefinitions ()
51 {
52     return arraysize(g_option_table);
53 }
54 
55 const OptionDefinition *
56 OptionGroupValueObjectDisplay::GetDefinitions ()
57 {
58     return g_option_table;
59 }
60 
61 
62 Error
63 OptionGroupValueObjectDisplay::SetOptionValue (CommandInterpreter &interpreter,
64                                                uint32_t option_idx,
65                                                const char *option_arg)
66 {
67     Error error;
68     char short_option = (char) g_option_table[option_idx].short_option;
69     bool success = false;
70 
71     switch (short_option)
72     {
73         case 'd':
74             {
75                 int32_t result;
76                 result = Args::StringToOptionEnum (option_arg, TargetInstanceSettings::g_dynamic_value_types, 2, error);
77                 if (error.Success())
78                     use_dynamic = (lldb::DynamicValueType) result;
79             }
80             break;
81         case 'T':   show_types   = true;  break;
82         case 'L':   show_location= true;  break;
83         case 'F':   flat_output  = true;  break;
84         case 'O':   use_objc     = true;  break;
85         case 'R':   be_raw       = true;  break;
86         case 'A':   ignore_cap   = true;  break;
87 
88         case 'D':
89             max_depth = Args::StringToUInt32 (option_arg, UINT32_MAX, 0, &success);
90             if (!success)
91                 error.SetErrorStringWithFormat("Invalid max depth '%s'.\n", option_arg);
92             break;
93 
94         case 'P':
95             ptr_depth = Args::StringToUInt32 (option_arg, 0, 0, &success);
96             if (!success)
97                 error.SetErrorStringWithFormat("Invalid pointer depth '%s'.\n", option_arg);
98             break;
99 
100         case 'Y':
101             if (option_arg)
102             {
103                 no_summary_depth = Args::StringToUInt32 (option_arg, 0, 0, &success);
104                 if (!success)
105                     error.SetErrorStringWithFormat("Invalid pointer depth '%s'.\n", option_arg);
106             }
107             else
108                 no_summary_depth = 1;
109             break;
110 
111         case 'S':
112             use_synth = Args::StringToBoolean(option_arg, true, &success);
113             if (!success)
114                 error.SetErrorStringWithFormat("Invalid synthetic-type '%s'.\n", option_arg);
115             break;
116         default:
117             error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
118             break;
119     }
120 
121     return error;
122 }
123 
124 void
125 OptionGroupValueObjectDisplay::OptionParsingStarting (CommandInterpreter &interpreter)
126 {
127     show_types        = false;
128     no_summary_depth  = 0;
129     show_location     = false;
130     flat_output       = false;
131     use_objc          = false;
132     max_depth         = UINT32_MAX;
133     ptr_depth         = 0;
134     use_synth         = true;
135     be_raw            = false;
136     ignore_cap        = false;
137 
138     Target *target = interpreter.GetExecutionContext().GetTargetPtr();
139     if (target != NULL)
140         use_dynamic = target->GetPreferDynamicValue();
141     else
142     {
143         // If we don't have any targets, then dynamic values won't do us much good.
144         use_dynamic = lldb::eNoDynamicValues;
145     }
146 }
147